{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123836",
    "entityType": "User",
    "nonce": "0x76cd41f2b1894bf29d261cecec2bf59642db36061c6fdd3fcb6576ea3108be14",
    "signature": "0xfc93eafb3cd6c5b17f5abac6201edc06a748dc86ef9d6d4512a565cc7f129de00e222341631c5c946c29c244f8fa1ae0e669f8678f3e1be20ae284d382182c8a1b",
    "signer": "0x1B7594799b4E189Ff1B3C4fD8289B2e8d82B000b",
    "userId": "66769284"
  }
}