{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619478",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb1c64d95932f591f2fd841ede5429460e399caa3c4ebfb49808c0a75b976f10d",
    "signature": "0xd8bf590ee001f7747f608ffe2e74808dcdb9b6a3f15ace23bcaf2a63547d3fa96a4f64e82fe6372fc7016e8115f422592364c7f3941493284882eb363e53f9a61c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}