{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11922",
    "entityType": "User",
    "nonce": "0xedffe17693d9504c8eac99ecade31fa4434d07115726b85f14186c3a7561fff7",
    "signature": "0xdd89555e9c66bbcecc5b9441bd55db572a46a7a4265727bdcad908516c5ebc1863877e3ae3e9e6b2d4b4c0b66d2e1ae503818ac90a46e4f65ba0f36b25c8fa591b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}