{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4e33fe6689a19cace0ef69eef6fdf412ea92d3e9efc080a2a21ed90785f06f30",
    "signature": "0x7425e143f546f7cf7860ef9a9f54974d18bef6e8172d2f41fe94bbdc1f60a833146e9884969a38faa9212226f9a316159c54e26dbfa206fd874d01b8c1e7d3221c",
    "signer": "0x82eD4826B35d420aDD935299579192Ce1e0951a2",
    "userId": "371339529"
  }
}