{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217029",
    "entityType": "User",
    "nonce": "0x6b21a75045172c7a32acc4453adc1adfe628ca54dea7eae29bc03cb9e2aac07e",
    "signature": "0x234f7fbd64f69b74175a0104146fd131ee1970db717b00aa41341a0b482acb9370e758244c9a24c297ba7a46192b2f96214c7e65a7867bfb004dcd7b32434cc51c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}