{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "592205126",
    "entityType": "User",
    "nonce": "0x9e7a13d27c86ff7eb9e8152e114ffd11a5e17207ba1dc3a97109b38b0c1ffb07",
    "signature": "0x72403f82615eacad7ff73bf50e3761611c6e57ea356040039ecd998bbe3a517e5bb5c6171cc2f7e09aca18303b62335e6cc909287b85d20779944342a68ffd1d1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}