{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290530306",
    "entityType": "User",
    "nonce": "0x8432b53dc36c81a95d791e201ae5d6c39bcc1d5475db61b6cf1614659e5f83b0",
    "signature": "0xbcfdcab25672f7a61613789520e6b877c3d92919366f4ca8487f3a757ef1033f392ba38fd654c2638de368a1a2c19c65bf27ecf3dedb36a236cbb8f001a31ea71c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}