{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18283",
    "entityType": "User",
    "nonce": "0xbc91a1f4ec200412cb42273a965b8b1eec6f07055651d66de22a9f68089f5604",
    "signature": "0xd908c41f1bc74cc31ab548a7d8c20b9cf9f1d810aea2976645d79e8e186f3b8d1a4d41474c6339634e3f4bf6b214da30de16385650074d8e216e98e6204956751c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}