{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3701",
    "entityType": "User",
    "nonce": "0xe0956027844521c4de9a7a046ec4623f9af65545185c55bf7e5cebd04d841144",
    "signature": "0xc734d848eeb8198a4dba0d1a1204650a937f1496d3c5758810c603d46b027aed54ab7bc4ea36327d12cd0beac99959bbb38a6c6273cee3892d48b6a89502b2751b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}