{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389016497",
    "entityType": "User",
    "nonce": "0x6704d7d8fef3d7948424267f7517cc578f0e9178c3066eab7dac1d80aa6efc6f",
    "signature": "0xd16174b6a183af748273ae6d63a8fd057d50e59626a1bf5d6bb9a8f62c08860b7457508b9f88b5e9ab6810e41fc73f7bf18518662f576afd704f0df770bc2e6e1b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}