{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75062",
    "entityType": "User",
    "nonce": "0xee4ddcc6489e4697086e02d3d3ce4729a837f2302bc53949305dc5a97ca03b11",
    "signature": "0xbb6dc387a5b402c56a676a10e69dc697fc2ee6df237a9206c6a576546ba0f3647ad1035ae323a5f65f9af1e81460b2c97388cd4ee56b21703f7e89f520ea738c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}