{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0x77994c2a33549cf3aca507b1d48313ae1c965ac5b35394c1996c34a0daeb9143",
    "signature": "0xa8d409b5436f982d14d2f608dc9290a7d0c47af91b52160b5e9e69665c3233a41fc3ae3f24ab562931371eba23cc540da9d56181acc463908b71797dfef78a511b",
    "signer": "0xF468F3BA4645DBF901c04Eb471B2eDe9A63eC5e7",
    "userId": "346369698"
  }
}