{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1042",
    "entityType": "User",
    "nonce": "0x3b70448b4a1daa2d7bfc50d7b78c7fc7e6781204e61d24a69bc2e19b0c008cc1",
    "signature": "0x9bb4e5fdc4875b17f5fd8cc136c39c168810fbc0cec6475300a51c9e725e243229f80d2488d74cd7f6bdac4369752e3f46fe2ac51723fa33588ae5818ba860c91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}