{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "803818116",
    "entityType": "User",
    "nonce": "0x66b5a6c5872f092b11e5ac418352af4ed5a5593d6e2773459fc5a54055246dfa",
    "signature": "0xd0d04ac742966f6a6ec41d355961586be64abf9c6f3377cad90534ba62f0b6d827fc0b1884d163e285344497d4bf2c50466567fe088ac3c95e785fba6ab43fa21c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}