{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6969",
    "entityType": "User",
    "nonce": "0x9ba9a4f4b7a1cb3023ffb174095c0f5001c19c79865b453c04d4a523b7e7bf9a",
    "signature": "0x22a713ab83cf317c336a4ca701190116bad3db62e1bae6a4b7bda675118e547d7a765ac89e3e843efd91ee4c6e273c890f318e6ce3d54cd3259238ddd2e378b21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}