{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6cd1879df0c29a4ca57b3d1fca443a8a7932963b149cd8a2ac040dacd2fe74c4",
    "signature": "0x8660eea1fb8a2a3d42c08ce8d1f1b9f1abef98336a9fe8105052a13a38d1985662a331b3297e72f481394678862e3789aa6e2808f671e629b68ac1da5bcbb8a81b",
    "signer": "0xA99db5E66A55beCa804E4241df687333E413Bd97",
    "userId": "267882464"
  }
}