{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200162",
    "entityType": "User",
    "nonce": "0xddeb48f8eef2d1ad00335c8616a513cd9772c7e31c65daf129a31ce649f26709",
    "signature": "0xb3e69d932d4f23cf94ff5849d3bae309a2ec096a2c69f24fceeb857bfbe8fbe328305d495e4cf5f204f259dcb8af771fa5b5fe9196045d572a88eb9eab82ef7e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}