{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc1cf505a72cbe1053451fe76cb1dde7f631cc866e3e869b1a389854ae47783c4",
    "signature": "0x4bbc686add2176db783a572f30c5075d6d31c993f895b5e2c8fb28980c2c944f1aac259594d89b14ff2301cc0c3877232e893fa048b96c471d336212a09a00ec1b",
    "signer": "0xfE36820aE4C79aAa0B80cD0E965A6A981D21C32A",
    "userId": "177938146"
  }
}