{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13034103",
    "entityType": "User",
    "nonce": "0x38a0cff5647a727ae42886fc562b639df46bf97f22282611cadfc6cafda930e5",
    "signature": "0xd17d1fd2038b97192715a1f0f8fc586897a3898877f8a65ea39a12fb7524069b4680aa8922788e47e7af41a1ecb05aa5f5adf93c32b39adadf79832909398b561c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}