{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240433",
    "entityType": "User",
    "nonce": "0x5545efe565be0a2afa16c6534a9f6661dc3954be9fbc0c012e16bfd539b62dee",
    "signature": "0x47c68ec2f9a914da229f9f76d675cc5d13c5ff934baaf065a0da815590228a295db38899f2c0e3c091abc5945482107a98d739857e1d3216f632a958f99f7bc61b",
    "signer": "0xdA708531501D4f46C162eDBca1D759CB6e7447c4",
    "userId": "985405611"
  }
}