{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x31cc85b7d8804293fe056cfabdd8c929d0cd79f005a9e3fd726bf808e09e2125",
    "signature": "0x673dc127d2ef4a64b0ff616155706dedabeded6f53e87178838a2625097b0a044df9f74525305f742bd9095c0bc5ab21c913da88721fca0506182f6e86ddf17b1c",
    "signer": "0xdE514d4453008BE0255A05508A3b1876C4a6BC71",
    "userId": "613795948"
  }
}