{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1716941",
    "entityType": "User",
    "nonce": "0xb816c2f7dc22d715160c75f0057a50042c438fc2f46951cbb977427524175377",
    "signature": "0xd8afb2082af3c222edf4ae5a1a4fe6bca1244083b54fd363f7cf710362d753e82434a829b15e5f1f2abf9290538d63616e9922cfb80de4fd4e612b862620c4bb1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}