{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x18e8a91cde145ef439ee93f67e6130f490f7b34c05243676cbf648591abf977e",
    "signature": "0xe31f9d6bd23c78347191fdabc867bc05b4abd2de5f7783badc76a3b2bd333cbf538439379fbf3349fc7107826bd3877f6b826f1fea63b900911eb00a9db37a991b",
    "signer": "0xb79658ACf22B9B437407d437985Bc7d0ef88f846",
    "userId": "635790044"
  }
}