{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "990052786",
    "entityType": "User",
    "nonce": "0x39b2603488c36dc920b7346e80dafd4b9c20b9e9a6ccf45343c9a7cd84d7cc29",
    "signature": "0xf8faf81c7434eb74e0120fd19b199d184315290a24423b883d14fbc1ac1ace3d6749bf2eafd57b26e136ce9199ed2b6c2db013c143b1ff9586585133abbeb0fe1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}