{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "960707329",
    "entityType": "User",
    "nonce": "0xc8804de57f22dff55d565d166ddbc61d42306241e39f994f8b5aeaa7b1b619b3",
    "signature": "0x9d28db6d95cd28533a1c176f00a5b9160e0eb6033f47592428b59bc311b73ca17c8cab54fb4beff7c5ce3d8977c1f9e952d9202439671853c4a9323bfc242cf91c",
    "signer": "0x8a6d50861A497B87CA3AFB0da528ac1B81128c85",
    "userId": "41231932"
  }
}