{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x6a01532775c24cd2b15db125abd88ff3a79ab043daf82d0fc6d6b33827ef5342",
    "signature": "0x43ab0e4fdc72bae7687b1dc850f7fd2a92ee0407d26a407aa3c35d4a77fd2cba36c9b9b15b51f9203e07b37b21d65bd5a7732ae203b95b548add5727171da0111c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}