{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27057",
    "entityType": "User",
    "nonce": "0x17b8f4811801957813db7708755181572ad148b04de1fc928dc8e50354b143cd",
    "signature": "0xed77d63d1ca9fc796f8abfd151835ca7a28f155e94ca828214a1123fc2b75aa4667e0552313b0dce6f0d5c4db0784fa7186e74f36e854a0cae15693e8b69dc631c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}