{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11019",
    "entityType": "User",
    "nonce": "0x126119bc903c6309c3622292461e83ed67fd53ef06581744de1d37043c6acaf1",
    "signature": "0x4a65119b253b4469f0977e92d50bf70b7fba27567b1311d04d4f2a6db32eff370a71c65f0d521225395fa89d6bb22aee9395e24b65626a37c954723f02de76321b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}