{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1876",
    "entityType": "User",
    "nonce": "0x4f4667325f657a6cc21787d888d93557e47c867d7497c998f0f07053603c6589",
    "signature": "0x10687cdf6b3b521a84d80b492b101237f7e0ceeeaeb4f6495fbe9ed62c598e8139932939f3dd9683e47ffb37b58b83904f3409eaa1088c89374d676332c0d4d41b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}