{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "905219052",
    "entityType": "User",
    "nonce": "0xac44096441123966935c2c8851db4f05154fd6f4994a71672db0b867876c6eca",
    "signature": "0xba9e80d0b7c32c9397528954fc419a0bba467d5a5809a8640b26108b3708f6421af272b88220adb771df6a346b29a7e6c1fde45e18a1a8ff02269d3e632a08061c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}