{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2a10639b229c43ffaf92bfb7702c2d9a9b55ac36b36d052b700b4ad001cc2ac3",
    "signature": "0xdf43804766ebb72b8569a160ca214b31a1c321738dd9937b9ee16cf4314f4bda79debdc018f35207ca41b541474d768c77a9de5090ef9df0062a9b495a6554cf1c",
    "signer": "0x01B77D3DEE1604ED5Cf53774D367c4Ddbb0E7191",
    "userId": "13981074"
  }
}