{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0xd10e9b7737eff1966b59bb57f3bc0788ec315b6e15d184711f454cc363f11748",
    "signature": "0x01d8bba9eb587ac9e8a6d8f3fd691e9c35915a468007e01a65ac8abbbbfb3cc968b51419889a70b7c605f57470b4978da563ef0a21e07cd43fa3ea5e9846cc4b1c",
    "signer": "0xb4069BdA5a7607EE958950229A03ff89Daa817d8",
    "userId": "611142471"
  }
}