{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1609289521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe1b73f0a4590f124a17eadac335d29481ddd299d1bb5a68e6de42cde2480e15d",
    "signature": "0x15713f6cc607f4279bf6c57e3b944cb84a7d3efa1224aa68e994809380a997e51f4c51912651238d3eab7b862e0fe52cc4a33237064c18d7467580024be9b1001c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}