{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x2fb49bdd9dbac4950c0592a1b2b9a99077edbee32f333c24d303398af617dbf5",
    "signature": "0x122cdb8009af733fa8d581c70fc6e5bd2c2a42f3b5f4a1cd5508e7d0cce3ef03247968663c04003469112549ba5df9c03d99ae774c787c94e124d131a3a9a6601b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}