{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228434",
    "entityType": "User",
    "nonce": "0xefda550455ba3568067a74130d0fee5c6c24cf90bc9c6f8bd3c4237eaeb54784",
    "signature": "0x2922ccf65e68a09c890fde1548070c98f5ed01ef56a940f3aeecfc89ebb6f81f6a976d51905b3b1fd29887b0a9786538d9cbfd055b785fbd324156390ba3b8e01c",
    "signer": "0x90FD14E5f569756111EE3AECbcE1AAb95c2A01da",
    "userId": "86867162"
  }
}