{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x122100163b4b7b5a889152ac4111f4c7fa7ca95732a9c488f45a7db5d4f98eca",
    "signature": "0x428d303d50c71fc67933c43e0ce06c6bc8c3bd2dbf52438e3df96a48a01e8fc8037eb0c43281f3a1619db878652f72ee7cfc99e43bada84a5e592e3b033ac4411b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}