{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33388",
    "entityType": "User",
    "nonce": "0x33e8f21d25f21b2787a44c4b7fff98453318c7462de5f0626ec38ee0bea29b0e",
    "signature": "0x8c93e2526a2f13b03a9c8015b6037c06a7598c948c10093e3d24b5e7508cf7123b23593358ba45530fa635b06c40d26d41eadbc39d42952f2aad267cee22691d1c",
    "signer": "0x39788E2D020D54760872178Cea0d5AF12732F02D",
    "userId": "720903941"
  }
}