{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "338304",
    "entityType": "User",
    "nonce": "0x0a94bd1032a6f899c36292ed7080689e7bc243094045f85a910624ef735318f7",
    "signature": "0x38c808ae46a4d1a837fb69647cd52ce47481396682a297a6daa5de24542510d857d11eb21e969bb3038e9090a739452218604c536a22c1b0c6cebb4fb2abe34b1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}