{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58168",
    "entityType": "User",
    "nonce": "0xfede604d57072530244c475ec2cc375ccb721a8f7e5f582e7d6ece5d82116ec9",
    "signature": "0xb65b169137eff22005f3eda0190094632a25998d7136426b1537ed0dd08947044fb5b89f4e00c1ca40a38e295eb44143c46615206048b2bd6d53575a9c4b27dd1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}