{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1550356022",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x713439cac5a2fcdf9d4494eb2ef04b1ce27ec60fbbeb50960c4172d27dfe235a",
    "signature": "0xe8574c0993dfacb505ee09c271712ce5b9e0cbd1a010972cc67f70c053cf18cc7c6c62e20024e0b5a4325554d065fe822a2caa11961d71c525fe6962ba4410701c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}