{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39865",
    "entityType": "User",
    "nonce": "0x9e26b1809a26d4f29fbb6789d165b66dd50b8ed8d6bdeebc03dbe1f5dbcab74b",
    "signature": "0xeccf5868b95ed19372acc716f73f4438c3169ce6f066a9aede6442af99c3247f0d41facd9d0098faec537a48c96f39a6a295a3f585a9c31187d24854afddb2b31c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}