{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbb671cded0737340717d6068c7d21b57a4e8789306148856396b4fc16e455053",
    "signature": "0x3e02d97ff3c0f782c00aefda769aac7b7b13c72dec4a28263ed6c4335605b01569df0ed10e42e90c6adb2df6229b3c6a772057ec5b268ac6ae192b90ca5a977f1b",
    "signer": "0x94A59936BFC6a35bf6524468Ee59a4e474499522",
    "userId": "483645038"
  }
}