{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0x9bd5c5072f0ea7498df73a45386015fa112d4428fcc2b64a3c0bc4cb99a21bfa",
    "signature": "0xf141a9a689d87e7fd585090d9ad68a1113d945ebaa51ed91a27b63007d1aea066b117ed6de69f02a569482241b9208b75c5d0e211a49ee03139047b03f10264b1c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}