{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832604939",
    "entityType": "User",
    "nonce": "0xff4a02bd79a3ebc20a6ee6500f95d9df604fd7749597d5bfd56d59351074e5b0",
    "signature": "0x879ee3ff6095346a65d6f4494651aa40e9f976cb3bdb536db9830e47dbec858d2d56297ca5a116b492be4cc2c5d3d5ee74ce040241a8ba118e1bc190646ec6441c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}