{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "192467",
    "entityType": "User",
    "nonce": "0xb5b44e0c78842207c105b5e712dbfe1d077fccd210151d5281f382d1dcfb89eb",
    "signature": "0xe09e12a37bcdd6f147601cf4e2499c7952441901fe0f7b4791e82d1df94d76f91b4a19a8f5a8a74da4da3a2f80273569f92b7cba7a8206a058cea8d1939f64991b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}