{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396577",
    "entityType": "User",
    "nonce": "0x5338e91ca6d6492773952be3ade65ab19a2e3dc120b435ae05490e38c3fe3a4b",
    "signature": "0xd6967514df663b318bfb87aace1b1112fb52f2b863f7ee69a1290695aeac2ab452f484705e06d5f8e57aa7251b99ad6f2301840a01b8f027bd5701d061b0e9241b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}