{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0x0554a7461756d5b6e8f929670ccd483b2b9cd6cb7db1bcc4390feac8ba9288cd",
    "signature": "0x74f0c2662f8f5e881046606437e9eb43632fa38db3d1261bb284332c7795b2b15c52b3be526c83ed58ec3e5380cb49682faa68a92cd5ea7a51beeb42fdf5495f1b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}