{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x241ca8c1a21482d9017e26c8f2ab69b7d957213ec89051b01e2fd4dfafa8caf3",
    "signature": "0xc06700f5f83be2e9d292aa07a364a95e33d2a27c9fb5d10141441f8e84cbeda976ad6d812bda7b551bc43a5220c150345529850b1a7b4acaba79d075d75415dc1c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}