{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "650714154",
    "entityType": "User",
    "nonce": "0x62593eaf9252597f7c1ec383cf43861405763de0c7eb31cecbbfaa2b5cd1d3de",
    "signature": "0x641c602abde7cb57d50b6ddce45a31348f03e5c9872e0a631a84a63098579bf10711c8ac7248d6e668214f76e5d32f85196d13fb672bc3b79dab9a6ab4c7a9ea1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}