{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107692",
    "entityType": "User",
    "nonce": "0x931307b444703bf7ce00e4aff3c0629150d6f5dff95be891989041f32f7aa3f9",
    "signature": "0x08195b69c9dd75a3a3a6eaecdbbffef299fc2c681b5d05cfef378af51954a6ae588c1dc6056d7db814b5c92beadd6810f38f0aca70b10aa21d1f0bfe20aa124f1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}