{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "426663880",
    "entityType": "User",
    "nonce": "0x07aad6493fe713ca82901bcc0eaf645711c45c4ef6bdc952a995c54476bd0785",
    "signature": "0xa52962be2262bb396ef2b90c966a458d2e5044b26f6d199b8af3d7f885ee2e83731d419aa723a560c3b4804a674fb7db435d72c7f46a91c834e1acb8ed42639d1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}