{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230159087",
    "entityType": "User",
    "nonce": "0xc89feeefd23a9d1e0bc40c6f9fcc44aecf509ca5504f496a317d61fc10d023cc",
    "signature": "0x47d78642946afcf99f69fa2c353df8fe92209634d1e633677276a38031c76f0f292ff4fc10787a38a8fe056ecea2fac37a9fdc09a30d24df5a1ddfe9f27a08f91c",
    "signer": "0xFEB47814dEd95a50671914Bb6633f3d3cD11BF6D",
    "userId": "178403563"
  }
}