{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "796529120",
    "entityType": "User",
    "nonce": "0xa17fc992df96774bd359c80b5f6360d984c89c3833c9af57b4054dc6293f02d6",
    "signature": "0xfafcb7b817c79b40067bd787019d43ffb3acf06332767f027c0216ad56b40b76087adab1da2a57094cd3caa04bf5268b911dcef57ad9aa88fe7ea41bb785427e1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}