{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297007",
    "entityType": "User",
    "nonce": "0x714e6a71d4d2c14c792a7f39bbfd1da1cb6be4fe8b5cdb057bb1013ed44fdde9",
    "signature": "0x3ea726fe4101344cd442f1ca37cc3dd4024091e5f3878a28cceb730ce0f7ff1700f0b54d4aba2cf3080cde8785cf41999cf6393c80b0a872e1bbc8bd86d25ced1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}