{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120157063",
    "entityType": "User",
    "nonce": "0x79e77dbb416b40e4eb7a5e5a783b655dce3c94615cf38a70823f4ad7f7dcfab8",
    "signature": "0xcf2e2ce57526c2cc8bf72fc3a56f26943e8e2e91b8af64e62fb9fbd2c86c84700dedede7db86e8804fc439dc081d169d93f7360e0ba093559a62d10c25076cf11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}