{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xa1cd00899ca6fd2d51ef60398a14330d65292b0de3f8e427fe800a198054c307",
    "signature": "0x19491b0bae48916695f7e6611b8e35e29e7731c28c0352a8b090cbd12973cae84b620026de5dbc9b817cac69d95340ebba41b34150958d852e5839fc72d4aacd1c",
    "signer": "0xE99B6771100D63894452ae6eE05837583c2de6d5",
    "userId": "883691386"
  }
}