{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203070",
    "entityType": "User",
    "nonce": "0x1a0e04fefa53f8cda60375e3cd2939b0ba6904899f7f552e622729cc92efe013",
    "signature": "0xdbad8bd5e64c1000c8dfc22b253972feb76e72c7c528a03434e9906c948e05f63127c1bf1517b536ccf18de85563b3057eb3861341eed8c553072d3453e0ea721b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}