{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0xa7be1a497fcb3802b9b10515216e1059fa0e16ad7a5fac15063df9220b50d7af",
    "signature": "0x18040b9fdccf3626a26322e0fd00197558b74073ecad8bf880549c3b67224716343e73a3de9b709b23eba83d26b29e44ff2044763ef50fb1bc8f14e74c5fb3641c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}