{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308502",
    "entityType": "User",
    "nonce": "0xc5f1c400face1fe317541d8112e24aee57378e55d07f542b5bed2ce183f09c05",
    "signature": "0x56aa4b2aafa6f6e1dae0459952d74400c5d1afae8890b273e37361e790e7cf5a6242bcc446bd8d1b3964b5fdbd996f22814987284a7be993eca2623bdbfbac151c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}