{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980401",
    "entityType": "User",
    "nonce": "0x4fdf066d0337301ac6d7ce84497e8c444f8d09bc1a4a6b1a17100d91d1c4c501",
    "signature": "0xb734bd7614c99947827e1a8b8ab0e4393c144246be427a95a7621206c685ea3d1109e7af2a841fa87554245b685919426e68c0e362425b94ae17956482ab58921b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}