{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "883812378",
    "entityType": "User",
    "nonce": "0xecbe60592c7bfec979d91a40e4013f1d0678399f7f2c013d40c8929e93a3d624",
    "signature": "0x6099a0ac8770e3b5aff407a6f0511be3505948825351e91f6695a20556e31a883f86b6013dd1254c4d8724171cfcd5f5027f4f0a024f27c32777bf18a8f864601c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}