{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x07417a11dca4fea3b4ca32bb29009d8269df77794ec756917c8cefbb3878f3e7",
    "signature": "0x521f6bda85ca60441e362badbd52d951c6ece9f9df7428b6f4191cd963e810552bf29dc05a4950c47d36816e31a67f4e7a8c6fd3355de9dc99e67f8ab12336eb1c",
    "signer": "0x52cc4CaB8B88D4A10D7E6Cd27e0f7f36f5e7B782",
    "userId": "462161762"
  }
}