{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334535",
    "entityType": "User",
    "nonce": "0x38bb7a335d337e7cb006aca6402cc381153f20e13a51f4bb555660a83d494776",
    "signature": "0x14cda26b9b2e0a98cff713c5057271eb66c92489ef2774adcdf0aa09213807631750bffee4e2774d4e63498d15ac7531c8610ec2277a9a577db0ec4bb379c2761b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}