{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "26508837",
    "entityType": "User",
    "nonce": "0x8a90f25836cdd67f5b697ade85e13a110e0a60a87785b72772bfe4b93cb5cca1",
    "signature": "0x2f8db00f69e632e350fb802c5a2a327348e5fcb9b8d03eef6acbfc1a299e5e6671b6339660990d069934e9324e2829e38f318904d56b16a758d6821c394dbd471c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}