{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925149974",
    "entityType": "User",
    "nonce": "0xfb32225fda2f80a55838b127bee9041235ef714260bfa26750375cc4b05cf3be",
    "signature": "0xa1fe19a2dd0e7f0a39bc336ee5674c3f09d6bf7c0dd8953729f796e77f5981d10fc7420ac5960e3a9c2efdc7d34ec95aa4b65a57c62868c34fb8a01f608ecffa1c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}