{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112612",
    "entityType": "User",
    "nonce": "0xba8d6be938a75746c8ff768c80651015cec6874a0c3be01d7424e8658b0232d8",
    "signature": "0xeb6e8cc89a2f4519c00cc7eb4e2cd31554dc2996e4d6a854abec5382a99c762a4666becbe726b7b7e5ec056123761e337b1a42954a0b1696cc83d6b3742edfec1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}