{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "748049499",
    "entityType": "User",
    "nonce": "0xac472c6c7ea2b622d578ec97858cfa5d74ff92fc21bf69928c56f532f8ceb502",
    "signature": "0x129f9e9e36ae18c633d0162deee0a261b244dd4c8718267a9b72b8676760741b606102585cfb335d5403169e68fdef31ae71f25f91e9663b80c5f88674425a7c1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}