{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111467392",
    "entityType": "User",
    "nonce": "0x438e5e1f82280b8d8757f8f4a19ba140c06e16d4a998b1161fbfa1d79f0c3892",
    "signature": "0xa41c988c849a46554bab6062f9904f26b179cc77898c6e47772137a2f482d8047510c8d58bc9b766200efb62424157a565c416cee963b11d5d84d4875c91cdff1c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}