{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x24d90bceef8085073d978002a71ed0dcacab7909bd1e49835c6a3074b1b767d7",
    "signature": "0x63496f45ce0a14293061dc049184ef416f3591154bde1b70ebe752f7511d051577d1534b3f104bbe98bb75722712fdc2e86d53a739c575426056efeeabedd75b1b",
    "signer": "0x3AAA0E08195E7a766d4cA3C4b01C7f8a06255B9B",
    "userId": "747188161"
  }
}