{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1464096",
    "entityType": "User",
    "nonce": "0xe9a9e20d892e6504f1ac84288c519443b4a49297ee7a65ac0f891fa89778eaa9",
    "signature": "0xcbfa4f289c8aa0d253b39568adf83bfb06ded0db85bbb3f2e96e9635f95b248b5c82a549288c6c287cf65e8894fee9c84350f28a8bcc90e58ca7a1c4375db6381c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}