{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35723",
    "entityType": "User",
    "nonce": "0x2926603c9c8f6d16f0839cfd454e980811a8dae9489c13555653b8a06a4c4810",
    "signature": "0xdd67018c459896daf27c3b82e316f2c0ffae8cb4482737b25ba83885bbebea604fc1cdfce820057d48255b6f55a361f85e6c30832c65f057341e437a732009eb1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}