{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1010504121",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd51bf20a11b3dbc8387bedab3ecef9ab448130ef52aee7ea8d9b50fa3b5db47e",
    "signature": "0xb901c56191329fd411d5f3c60b53f497710c7460f9268d84b36a12d0a6f7d5777ff7eced8d2886cc3c6f51bcf1c0878f1032e8f80c16ee665e330e17bb0d916f1c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}