{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40179",
    "entityType": "User",
    "nonce": "0xd07b6b619bb79426e8f1ee0918de4a7d4de18ccf46776bb9b6c7ea291b85e4ab",
    "signature": "0xd8dd1e4680427007be59e46936f6a67e4914708ae7e977bece2e26f87ec2bb7e4be39f186421b641dd696a8e8ab1817b8f2fd188801e82daff32c9fff5978c5d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}