{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "759473",
    "entityType": "User",
    "nonce": "0x457b663a2fbe12bb4393ba45f75d109e36c5f2120e630575b667920717f8e539",
    "signature": "0x03c7a0d541e9e611d06ff160810ed71fb97156e3aed977333282bc79023a36a66895e0d1d23ddfbff7fbcc8029476e89d24318aa3b382cac4a0b093b8bedd04d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}