{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446492733",
    "entityType": "User",
    "nonce": "0xcedddcee5b6076cca56f110e2b4807ea56c22a5dd100ce4362659a4f3dccef1e",
    "signature": "0x03a911bb11ff932fdad0289c253ad23400cca90012ede9279abe7e1be058f92173e07a61c14de478b33c1d3462a627af11de5120af8ffff1f37e1462f3a4cd2e1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}