{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x996441b71740a3d42a5e20acf32bf038bd6f0727e306f50865cb07c92ccdf112",
    "signature": "0x87e5ed0306eaa60242631e020c512d53e5727c921bc6bef03ed1f05b4c9b1ad01914865365f45be1ce1604ece698f1072d22eaf62cd0314eab2133824da70fef1c",
    "signer": "0x4a57e2DeD165f5711bbB2bFF6253838BcFee1928",
    "userId": "268361684"
  }
}