{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52495766",
    "entityType": "User",
    "nonce": "0x9d368647e74103c196e38a200b3ab48edaea684a561928023a69c042e80d9f76",
    "signature": "0x05e55d1fb9804e933854fce03d2356d581f092e89174af6f6ad9458cac5f4bb01fd9c6bc9970bd15f774903c517522c88f3e8b40a9c6fb37691491c29f261b0e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}