{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0xe9b92101ee1de53b41e49c89e6140deccf1c96a3f7cc3476a7f2ef6cbed04269",
    "signature": "0x0dd06850861fd8f6b2dcf9af22265750af240e026c7f6b305c86b9b70cd4ea597d68e4aca1e17c0317f981b697915d6239d73d9e98d1becbbb3c371e3cf09aac1c",
    "signer": "0x0DA57Ecc1D264f8eE3d25C042E85De847959fb61",
    "userId": "860783140"
  }
}