{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0xfc611c9fcfe7ef10b2d14fe4cce77d57e997f6efd628a0f0bb7bd05e3c014f6b",
    "signature": "0x16f1e546288814a8c06b11c29b98bb7286020aaf8ff71f72b3a2e7944ca79695332e8914f51553e5ca03f940e0245b87016686cdc7abf357ea7646a213e826e51b",
    "signer": "0xc07fCE503240350b65217BbAc77c303Ac8338F90",
    "userId": "512214950"
  }
}