{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668686838",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3b4269eab6793f2f4abe2c08ec687f882949f855f462d8dbbade18e37c887416",
    "signature": "0xd7e4f6ee2998d2d7da7fcd88433ecffe7d20ee8c3b0814e581120d2148c8109612d190606c85d1cab359dd0ad1acdf0363466c43a47d015a29161d6a447e2eb91b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}