{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "143127",
    "entityType": "User",
    "nonce": "0xc4d77bc161271ca98f172f946cf8e1b753d5f19b156514cfefa307e81fb8cd50",
    "signature": "0xb56dcff3a4dd631c18c89b58bca3ff473efe4fcf2ed2c179a597b19c5add9f8e201e22724c089aa038ecf655c444e0faae6638e85e2f24a4257bb1d35cf0be7d1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}