{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xccb3ef99ee2d230408ff3040f7f2ee3a9e077c74d7c5a59727a4de2871ad8901",
    "signature": "0x1e9f5f07eb88f76ec1d555015c207843e9e207a198c557c4064ecb1a71b234bb1933407e8fc74aa9f2febeadefa0c325338bfed2850d5dfee80313ae594e43601c",
    "signer": "0x0B8abd82fE2af1Da3824433d0810Bea9F1E152eb",
    "userId": "323295897"
  }
}