{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xaa06feee1fcbec4fb1eaa13ffa729eaf584b91580f6cff09c5ea3f09eeb64b53",
    "signature": "0x26af639a4040bd9143a281630a84e2baf4080fd9e3db4e72dbca58ac03b32ece587dfb0b4694416d178474a1b226631b0d6feaf1ffdea2b0996fd571f062ee961c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}