{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x328e17392fb8052917d662f209671e1be461be612b843345bb2155cb803511ea",
    "signature": "0x29871f23e6b2ace2d1591362678f9355dccc989f7fd57e09767ad6a239a491a96f745bf267e4880be705636dbe5ac73d3d9399f57e616742aace8c79bd3fce4c1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}