{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9d95b051a260e92c13f68565cb1d3176080f93f938f1fac548b876425c7a6c1c",
    "signature": "0x2d50e52f5c33d59d0063d3acf71ff2ee93b4a6970597b901bc51cf914f857f895b3e34dc632c1567348e7c77be7516c0370d5eb150e62625d811ac5144d3211b1c",
    "signer": "0xBe18AC3d342FECf3B94A0d895aC912A6617c5209",
    "userId": "336558386"
  }
}