{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108942",
    "entityType": "User",
    "nonce": "0x5a630f2a55c1a1bda818f01347a927c014a15dd353db750b06e65feb91c146c8",
    "signature": "0x2e607f410abea9be2125373198a194cdc2a68161df20e64d22d93eec54425f0101a6e88ed65e13557fb1a7a53942393bfaa0fd258315f12acf1fd7f4fd5183e01c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}