{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956935847",
    "entityType": "User",
    "nonce": "0x31efde01502142eaa0fbfcd9b1cc76334c8f5dc677adedfae7089e4e945624c7",
    "signature": "0x89ace35db6686c8d7e1a26242da7869485a4a800be918c146575c2ae0d1a15ee5c16587c94e18a4ab2e38a252fe79e3779d1f2caf07e5c016f2e31a7c7e772be1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}