{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195461",
    "entityType": "User",
    "nonce": "0x0fe8df470bf6816d3ca788c564c8fbc84744683d55f705b56196f113932be65b",
    "signature": "0x666569da7872da0d34d0d799d95e723a62730aace084d104d886eef3dda1248c7fb793e8feb54de588de47c8209e806e7fbc533151984b51560150c8e369ef6a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}