{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392127",
    "entityType": "User",
    "nonce": "0xe5f8bb8b378de9b96260c272b178a7f897063decf19ba150e6153db82b6f76cd",
    "signature": "0x0014eaf252423b3acb6bfed9bb3f23f7edd85eeef3f421515a7880295435faea1003c9e281a8ae3bc60fcfc0616bf8b66af575fa876370a51e1f2b26ad85c2f21b",
    "signer": "0xE534A1ad2e8E1f616866185D1efDf463B0eD38b4",
    "userId": "353625"
  }
}