{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226205",
    "entityType": "User",
    "nonce": "0x90c3dbe96a55bd7090ca54a2f8006caa0ec6a89291e781f9520a6ae6b8874a31",
    "signature": "0xf720c23c772b87b32b38df706149f42e9d6e0cfb173614220d16ae4e7471f01001d4098e7637824af4cbf3d2a9eb3e97049189722dcdab8060fbe9831083a7731c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}