{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1450553762",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5d5879d6c1a157e00a07318dc9589cb30e97448ce231b5660e962ac912e0c698",
    "signature": "0x0cb9d9e022bd8be64ccefa078e1422db9fd1d314daeb0f0adb959add60083bce055857f07d877df4fdb9eac87b44d0e811484ba29392bbb8964781f6fb865d031c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}