{
  "manageEntity": {
    "action": "Repost",
    "entityId": "616940",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd4445bc46c6ee76e7fbab9c2dd3c60d7ac8651c9e5008a0d1fe2859572044f47",
    "signature": "0x0116333a9b8b8e9f1d7f8ac77c8db194b48e9eeae87bf99d554814a86aa1dbb275201f085bccb3a2f84f9b15da088fd7354af9a6d8bf17caa35bd31d57294eae1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}