{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826653139",
    "entityType": "User",
    "nonce": "0xeeb3d57bf093bb456b0e08681e07fcd62aaf4f31b92dd5dcd45b0660611b7838",
    "signature": "0xc3bf15c420e43638eb14f7e6476c46882b803fc3573618c5da44a992ed93636351271f4efac3b156780a563521664abfc2c51a410306fd180f1625f21a7783671b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}