{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17546",
    "entityType": "User",
    "nonce": "0xcd2c25f9edf601b340c2907a638c16db523009fa4cf747c8eac68e8a0f741a6c",
    "signature": "0x932ee588255c318ca22e6de4126275ca48b7986b6c24269dddc0de3d3c87ee6c247e7cda82dd826d39bae3ecf99a9f546d8e278c731f6ce43ca20fbca13b31d31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}