{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "371164",
    "entityType": "User",
    "nonce": "0x63db674073228afa66b0be30cf070c687647b3b6f263dc27fc786b8b97c800ad",
    "signature": "0x7c5ebe2f3dddff4bc7a2c8bd94f6e2ef945c47b6442402d28db7d0be81840ec730de57d8fd02eaac804d0496d356f5cac5a4b933d233d08eabe68c0ed49371c11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}