{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xed78501244c6daacc5c38297225075a79c0d306503326566ebd8eae026728393",
    "signature": "0xb8eea3ecaf2135b38b8c90df5502747c97a0177e23833e5cef4d960bc5e635693661895b5ebcd1e84385389397ce2da2ccfd726d0f5ec62e1a6011529f60256b1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}