{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1900901343",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9a4e5de61be2515102d4466eb1b5d1456d819f7d8175215d563c46a315530e89",
    "signature": "0xa3021f512115262cf3b706a2cf52aaba2149abcfe4509dd6adcc5923b75ffc1d450e0b695d1b2c80b8a4043ff59b20dcf8d6df249e5f231926835dd9b77681291c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}