{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226205",
    "entityType": "User",
    "nonce": "0xa76d8b2a292f138637470fb7266782b0eca7485ef28b56d418e1012170ab0c1b",
    "signature": "0x01b0ebccf15e010088646d6e194d1bfe3d9dec76441cfd4d57d546573dc5232c395efabd7dcc19bd1572d684712c83fb0709d467a287d01641c8c4522a9f28ce1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}