{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17014",
    "entityType": "User",
    "nonce": "0x7e42015c188e76e7d574d411e661abccbe87b5c9b587e40c478a2b97fe7b28d1",
    "signature": "0xb7c678f2c2be6c793913240936dd96f98c1bc07ac40db9d6e455ac2820ab5b2900fb9e584ebb7bbe916ec34bd2e656fe18ddf96ec9ef14bc9f90ea53b2a038ea1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}