{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980280220",
    "entityType": "User",
    "nonce": "0xb30e02320c79f9da0f953a37a80a534afaf610309c457adc8ba990dc628c30da",
    "signature": "0x864e5e61fa15aa753d07f6a24808f203f8f39cf443e638f1127be5cac8d519c6149ea8a9e4654c46c62be3c2b58b58f788e63512f2abae16a9512286201961d91c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}