{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342186126",
    "entityType": "User",
    "nonce": "0x0e4ede79c782881f66e720d227fda89911c72629828b0db2956e89e95e8088dc",
    "signature": "0x282cffa3f7ae25eec9da282b4e15f4bdf9b7aaec87332f281e89c62f18ae7a85686fa05419ad20abe227d45d06079219ba474a7e0250900d0c76ad28d86c1c921c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}