{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "924343919",
    "entityType": "User",
    "nonce": "0x1fb42ee16b08ac50f9186993cfc40cac11c4e87bd9064e23bf6c871e290ccf22",
    "signature": "0x31573de9377fcf1cbf15a5ae210b1082bba001c585dc722d4012afb087705c970eae7b8c0a285f8c6abc98db1b3391324ed3bf5dea4aa8d9f05a7b22726eb67b1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}