{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8224",
    "entityType": "User",
    "nonce": "0x020043416c0c9258257c6d6e7bc63ee84f2e4a92427f46331037880bec284441",
    "signature": "0xa1ae44c2eb2fdb5481fc5215822e8258d1fd34b793de3a6f452f87ee449926455805855055258a85d3623a17927ad0dc8adf19f561a50d8a62f8f515e72ef41f1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}