{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1044470",
    "entityType": "User",
    "nonce": "0x201eb55529801b258a428ebc3b80d8c1955a8e2eb77b0f85a4d396107ff9484e",
    "signature": "0x0e65493860135b7f1b2133fbc9d0cfc3df0d64865bad3134e80f19527d5a85e40b7b338649755096b61084a901cf541deeee5ab86f157357964f98e5b7711efb1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}