{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc111df7b12feef2d82aa8cfeda822d9d8a329492e22df06a6600a9b8914b3c5d",
    "signature": "0x77705d14932a92041a21626ef97592d64f4f00abf7534b299e5ae3bb63ec449f3e341c16ae58c5b7918c15eec865a5f25d4076df1b1f3afc0f7c55a7b13a6ead1b",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}