{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9657",
    "entityType": "User",
    "nonce": "0x4c027e9f9435ab2c028cb57b073fda27e47e1330910b64aab6ddaf80a749a8c6",
    "signature": "0x9067818bdec738eef837da8ecb12d000fff5ea4bcdb42c887214e5b094104247248a8fd4b2459b9823c40f6ef98c7da7338a9fb6c38509424618cd3e45092be81c",
    "signer": "0xbd126Da914dEF5554d9f1d0c31544e8646419780",
    "userId": "81556"
  }
}