{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "362721758",
    "entityType": "User",
    "nonce": "0x907d0d79d965de0bfcde562617042676ff456b41b2bd4cee4f6f7e7c5df5a12e",
    "signature": "0x0ecf1024a1d9df49e0815899b78e372c68a3f6c9dabbfcfd9191c607e255766849b92172255dc87485a05d6c7e01196f6beb301b28aabf42b51d5f6b167855fc1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}