{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xba231000f649bb447472806faa66ac1a9390bab51b01c01dabe06de2a0bf4590",
    "signature": "0x35af945a8984bf8835059ecea9bf96ecfb811072acd7e486bc9735ef218aacc364d37b6e765c1fd193c50c6028fd0d6c915f03de5e66d647e3931910612cb9551b",
    "signer": "0xca9222f1aedE81bB652753be5E233B18473E61E5",
    "userId": "9780"
  }
}