{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x9b6ba1f270d85260c086d681c8cd73d569dae23ef3f08805bda138349d8b5508",
    "signature": "0x2971b415b9850dbf0a08b8a36e118d35f4ab80f7050b6db9dd73bc5434671c7946bdc83f84d8dd92dea693463488afb41bd0216ce776bd46eaecfa652475aa1a1c",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}