{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475275462",
    "entityType": "User",
    "nonce": "0xb355a132a11f0f0f1c33674ca70342ff5455c4cd8f77af2bc8c454dfaebe8c1f",
    "signature": "0x9608405f3fa201e4325f84fff81422fe4e3d24c602cd6f2d557ed33d6732fd6d5e552327745270bd72c29170455ef4f9cdbdb41018ff37a80650e967d63dfd431b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}