{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52725",
    "entityType": "User",
    "nonce": "0x5f4c53c79b4368c28eeb46265b18953e1c49df5ff47ec69750d7d00619746ef9",
    "signature": "0xf6e07777d5e06a0eeede7d4ab0cff0603b512acf30c508c84b174dae2c10c5a11522dd4a8c5ef7282fd9d05e8561d13ad387c2e45c5e2e2ddbe3e79c95b0e03f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}