{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x41b408fb892e5b27b18c49be303f0bd7f1e79ef192cfb4c79555a47146cad620",
    "signature": "0xe17417184f1ef5e1df846ae969cbd47186ac8ceaa8e6c647fe9fc86320ef07b63cc8d1b01d79c919f765e7a72c37fc475cfb63036b7d7f6ef52cd534d64a0b541c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}