{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6fffb49bc5470ca15c001bd9e82c21a36e49e115ae715baaca15f71dce2ff133",
    "signature": "0x617e285ddf6fb96936ad73f2b819a02f8c5ea5bc61bbd44eedb346e2181f35df158180d6ad96fa3d7c20ab48b459f43a758a9caa65ee1983132a2e0b2bcc94231c",
    "signer": "0xd34259D77c85379EE978514Be14547d9AB1f5F3E",
    "userId": "806015301"
  }
}