{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "469649633",
    "entityType": "User",
    "nonce": "0x4c09142d250d8821323d8bdabee2b7298899cb82a474dab62f215ebda8363e2e",
    "signature": "0xcb7a60efeb4b15f7c7acf85d6ac12927e1f3602365122a7b66a76018f50017b37ca867051244f30761345ceb2dcd89b01349901c8bc0ed1cb2d697e4d9efefee1c",
    "signer": "0xCeC46C54cBE0B1eCAb5F383336420Ac8AD9D533e",
    "userId": "926411959"
  }
}