{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270617",
    "entityType": "User",
    "nonce": "0xebebca69bb43702cabb92d33f5d6dc394f9e30f797c336244c65099d5de97372",
    "signature": "0x1d7c1ada38177f9bba7d7fc113b18f97447422669f65b2f8fdcf3e637f33c55f4e735d1bdad3bdafcf68e439205bc20a9c3a07ee134e87c63795d8f8daa50d891c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}