{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131390",
    "entityType": "User",
    "nonce": "0x02c1415739a4f0cded790b7a4cdc07bc5af4e7481041dcde60155b5c17f6088c",
    "signature": "0xf4164be08e3b51f58de8914e9e1a99ea4dc22cc9368715070239601d7283fef12615f561a1c6b872819c6ce6ee59a96f89c39e8964b6953edc26bedd677245341c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}