{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108860",
    "entityType": "User",
    "nonce": "0x877692b0b47b32722ea7be59e3772dcec6d4a19b183ed9d394c77b337d85f3ac",
    "signature": "0x4b95af07ea29d180a5a112b9bef8e5b02b098125252a18377081382d0aa7970f3bddbab610d2d456d73c76927879bdc487bf8eb72a4fb4486fab95f2cca515621b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}