{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0x43f7eae1b83baa574142ee8f5a010b7a50f5c007ec01b03c483b0b966ff1fe0d",
    "signature": "0x5a7ef1dedff2f77b25455980d4a8778df6040121e9fe218cd7cfd3c62065b00577b862d1b316d531ef7d06e94a38f5a1da91f68d95052d27bae503ce8ee5861f1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}