{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x95e6a725b2ece4fe853c1010882668bfe4047293d3dc5f03e81e6583fc32ca61",
    "signature": "0xbb73f3fe7c9d8705527a2f6a7b0516e4a1c00feaee8db41294e51c1b85ffaa420c03d853883c89a2782e7db1c99acc75bff2b3c32626e439c63bb910795bde251c",
    "signer": "0x85cd6BD733A0cCfABd38c2315a8740775Ce99bd7",
    "userId": "471026989"
  }
}