{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6980",
    "entityType": "User",
    "nonce": "0xd630013a9e5cd9fd0ec9b7e9cb5e2392b0c605454962c9786d8a6f6f4daa1720",
    "signature": "0xf70ff80ff1bd2c80779b15de3e3da9529b25979324614c133a285827a98706c54fa93b99b8c18bb44c04f4f3d48091cfd1dd595898dfe9a10ba9d0e9b86d292b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}