{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "800690067",
    "entityType": "User",
    "nonce": "0x293e09e47be573b50ee3f9555340f64e948a385185f6b3922e765acc1153eec2",
    "signature": "0x1dc7f90781aa83c8912648f4a31e305680bd9fb280e7cad0ce181a1262b7e9776122520d008bc28c3b18cf29d84552490636d05a6d762aebedd41cc15ec0b49b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}