{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x59a7833b49992dbe69286cb9984cb980d047a51768867110e832e3f46667691e",
    "signature": "0x565c699576880dac80618a9523ff0e675454bbc4127511591aae809b4867f65c4668ea35820e71831d1c1af28bc2594b5fdae82a6b28f853db2d383e64dbabb71b",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}