{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465873",
    "entityType": "User",
    "nonce": "0x09d5e4810abe854bd2d7a48d5ddbca5604df00f278b6eb917e12e278836cb9df",
    "signature": "0x36dca53797b9b04ef7c65f3a2e5285161512a6f63a2771290e3c31de4581205271d919a40f3152a1f1e5c584693c6c22427081374580329d226e06907d11716d1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}