{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956504",
    "entityType": "User",
    "nonce": "0x1db181cb3e03a5e5cb18c167b578282344158a11d036e498e7f89023907cc695",
    "signature": "0xce7ea7a477c3c01a5b30f414839e3fc3534a52f2e88da49cb7a4dfe0ad8b220f185eee8ce7682309132504d14b25e7a02fa05a4400dddd8fb68a9a969f12e1121c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}