{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "645526985",
    "entityType": "User",
    "nonce": "0x2286adddece54b6c04fd0e763a66c9681fd0f3421fd3ae0a6adebddd443e8095",
    "signature": "0x0a1cb47b176032b9e7814bd53c2ef5ab512029a3b459824180708a5bedbdb044018c868d9d318fe7fc36e733ef1c9ffd77d6f844eb6c40b51f2dac204c1378b61b",
    "signer": "0x018849A3d6594093B7646022836BaaDF36aA36Ad",
    "userId": "702391481"
  }
}