{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44460",
    "entityType": "User",
    "nonce": "0x921f4f6d7fa5bc8acd3cc39ce269599b833a8cd5209860bb2bb0955daf0deae7",
    "signature": "0xad0a18f7ff6a6120c8007a039f839a2ce3f83ecf2e7d4a9c688836f797db456a28513a00e087eb461710a4ca0c0477030885ceeca2ada23aea18fcf6f99322591c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}