{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166428182",
    "entityType": "User",
    "nonce": "0xb5a7acc7dfa01b17e30e2e6f09deca3a8d9a30ac7ea00fd0ea84ce2088678c65",
    "signature": "0xe502e3bf2e87f75274ee357aa056a0463d7b6962ada1dadd141b49fc97b099f817e2de5d5e9a0383c8af4049dc61368ca52613828abcdf3e54df43227c1868bd1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}