{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0xd0d482c045e3913b98742274717ff2d08a0e7fe5b4508b1f68d09a95466204e8",
    "signature": "0xfceca5176f0e9d5f8339910fcfd8567b30504526b5bdd6f7e3ed2edcfce5e8f9756e1f78246a005fb0d31a8218b585cfecbeaee76129b673aba96877503aa8ed1c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}