{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182902342",
    "entityType": "User",
    "nonce": "0xab53732e71df1ec793cf68e2684186b3175eb3f2b6a2f3827654ef9630a5e1e9",
    "signature": "0xbd74c1749d62420e3121c5326a56a98c25c25fb04a946859f70e87a7ae32f4310471b3e03c89a8e78f84e492d1a3f67417587af464d77f1fcb4c0cb938df48771b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}