{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193342",
    "entityType": "User",
    "nonce": "0x398c41a2198658302a0c9337dc70135c16be1cd8db9cdbd4dad390006b41f942",
    "signature": "0x0c02721bec54cfd706de810566068174b6bc6e7b94ff5f3a05716f328e2cffbb7b48811be7bd317b89c79bfc45629e32277557ded57241df1e909d3ab716c3dc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}