Substr on Nostr: Oh la la

{ "id": "eba70936b50c0c72cd59e238f43a813b00e6b7a29257ee24c6e34cf8628b39c8", "pubkey": "a05079009eccbdc391d13bc486d52297eb2255a70c742501ade9998a23dd1f6a", "created_at": 1744855994, "kind": 1, "tags": [ [ "e", "c70373b5d3e3ff47c7562dd38708d2023627c8db2fe9982185f80b65ad6649de", "", "root" ], [ "p", "03374734fbb34ea33c5222614088c907c15e0c675f3e62ac4e3a2a865aefdc44" ] ], "content": "Oh la la", "sig": "f36d223490ba8bfa371f9e3d7d5e6e8299971256ccf32bf6880be2dcd934291113760c7ac9ec37430cd60d731ad5f15b67e8d7b0282d76ec1f9957cdc4b999b3" }