{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78225",
    "entityType": "User",
    "nonce": "0x0641d521bc2b2e10fea1d41b79d652c5e64734f5fa7b8f674576d1cc45289743",
    "signature": "0xc4b26e56d8b91623c25f59ffca1e3031776217cd481b7ca1ba5bbaa31f4292a214ea2860c10f4ca42ca6c4a83fe37a16bd6971c318d5c2ca630450e248e906701c",
    "signer": "0x67E321241D4e44e5aB5D1c365505f0F33044C7BE",
    "userId": "460631539"
  }
}