{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "817499884",
    "entityType": "User",
    "nonce": "0x43add861e7c5741f8932e990634a6b06b46324966e195ea710020117f5a95437",
    "signature": "0x014751111c1c73f62b820547c8a2e48bb7e566fe3f850bb430385220a4e36ca05dde75c09aa74b404324f1d1fd141dd7906eb393a285b4f15241e58cb401ed3a1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}