{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117408",
    "entityType": "User",
    "nonce": "0x482fce9373a4834ec7f9c21ba23571b4c3bf213e579bdf15cd263609bd9ba7dc",
    "signature": "0x172cc8b50da5925e4d214b5669323cd50eb9a5d24f6eec31a0214300bb6cd5ef357c73502d509e74882916e557ad3c117422b64ae3f990556b331767727773591c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}