{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "289812886",
    "entityType": "User",
    "nonce": "0xba25f90d551c30fdc861c40f82362e0da3f1c20561127465755f4e4e1df8dd65",
    "signature": "0x9a1e6bbf1b0440b468d13332da3242ddc979262164f5d82ecd492d38748f267e08172217735c39391eabcc2d15d0f26b97f16e19d53df3658f306a52fdecb18b1c",
    "signer": "0x82540F37de9a1B8EAB82E505871c8F43AA3f8f54",
    "userId": "692541736"
  }
}