{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xef4202cebead38d849a3e243ae72f6e69a8ff39449f66b5e4157514b852387f8",
    "signature": "0x95cc6ec0472ff1ed7aef02788e05ce126993c5dbb407ce14ece5d145e11692a107ca680d92da765dc07fa38c0ad300b735debb64e5f9f65d9b5eea12eea028251c",
    "signer": "0xf0F491bE628c3A5BF3904d1Ae68bc59234407951",
    "userId": "560417026"
  }
}