{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147204",
    "entityType": "User",
    "nonce": "0xabae4c494c65ab43edd71f736068610297f879726c4c62517e432a73d0bb5e39",
    "signature": "0xf946b8eaae55943e65b56e9367c839030ff4533f39ddc4e0042eea545e87f2c44fcd51a18cc0b45f54eb645f27ad09831a2e4a2124d17a4852df494d072231881b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}