{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "273387437",
    "entityType": "User",
    "nonce": "0x60e3e7ae87131df961261616651a1427d0de090a9a4f122c42a6f0e4070a3e9b",
    "signature": "0xf06f58a39b2f09e9a16e1fac58e522ce8ac731563eafb8eabf2e7a575f93ec5f19beca9c110697a71b9ca452aa79e909ac8e8ac0e1f43e05c8220b82ec4816e01b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}