{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x0548c681731499b51b2e535b1b6d5b8089c1e2c7295929712cdaca567960a623",
    "signature": "0x0a77347fbeb844431ef33bf538c7c92f53c0819428bd4f2465382bb8fd1002175eca13afcf4dda28db37a60b34f40ed032623bdedf1a13a8e0490412fa32da431c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}