{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8a0cd11da054befbe2f931908308a9e679b7cea3c782a0cce458dc35777670ed",
    "signature": "0x1096c851cddb3f734d46a2ed1342ca2c2a0741b1d5ccb0d633210a1d85bbf12e251defdbeb72bdcb857ff00d855efa0bd1735c5937fe323c96f2ee5cd6c1ba661b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}