{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xaa3ac6cf84bb682eefcdf9cc2bea6540dbd24349704c8c619697ce2f4da079c0",
    "signature": "0x3d5332e5f065f825d7bcbba3bfcb4bdf61523230f2e0a6e4b64db83f5176505c3c214d34fec75116f6ca962da39467a022206e480054f3f06ba5d8c6dd5db8f31b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}