{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985168351",
    "entityType": "User",
    "nonce": "0xf6f23aa10e4a3b9284702f0aea4c4199f87bf39c5b43ccd6ba77c14dd2e10176",
    "signature": "0x006f8fee6fe46564ed308c7911a32fab8dd128187c6ebe5b59acecaa0e9d1993065b7790b5b98e6e88e01b9d4d7877bd40e55682363ba2c1c132dd1502e0ea941c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}