{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58990",
    "entityType": "User",
    "nonce": "0x33e5a99d4fd9424c371ddf81526621ea12ba915c248f26d5928f6a0468c7ad7d",
    "signature": "0x2275f05b9d9d70bb13b6d7d530fbb839440cdb09f2794d4f418e07745e2aa0726091554bfa0c1fad6e9a4e67ba0731b75608daaf0c9504d7e2265047d8367f991c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}