{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "356",
    "entityType": "User",
    "nonce": "0xbc6609d6cf9b5b1a8bc42036d440af1b7be6cdfa777dd66e5db461017bf3f133",
    "signature": "0x9ce1a000209903986c6668fba4d83d78ea5849f2a6c630695d847119b7a387034a36058bf76a2a20d07de5c2d4daeff0a5f229e8e28d559c7cfca7fa705e13891b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}