{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188220",
    "entityType": "User",
    "nonce": "0xc6f9556158f6a385503db169ca181a6deef5533ad5631b0a346bd65262f9ef52",
    "signature": "0x280118ba502e6493aa8bb75696eec2ae4d6695922a3988f3faff0df25889116964cf5a341e83f9ac880622ba0f2dd46c60a6cd1040fefbf10ac79804a0ad30d91b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}