{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x1781e672261d9f489f8af62cba85dec87e86eb99124c63106897ca3d40228496",
    "signature": "0xa47a6c969b2b94f056ed1083dc45689ffd5bec097c4200600113a4f145c165357c279e813b66ea29b091e273d22751c1c7067fa5b1c2d3813cd122150c53ec811c",
    "signer": "0x8C7bee798c0AB93Df67Cd00879d67b02274644CF",
    "userId": "855403"
  }
}