{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xe2a13989bd8e26fdf06f9fef02a1f1cfd0e62e5b672605b61e67fa1aba2a75af",
    "signature": "0x4404e7133b1c2360a53641845f9bf82b60f992887faa7dd17a7451bf12b729ad0b43583c732793b6bf8011e8a0754c65217c389269e2919d97713ab9ba7f82341c",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}