{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100638",
    "entityType": "User",
    "nonce": "0xaea74185a276b15a3bda661841434046d9923aaa499cb86a1fb402cca59f85d5",
    "signature": "0xf3a533452466dd6b4d9ac1c6af4aed8baf4a22e7bf3d49803da2ee537db8e9c553d90692c56c5a7952d7326de66b8af44c4efe382b36dac4ce6fdf3ff9c8c9081b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}