{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7736",
    "entityType": "User",
    "nonce": "0x2f615e76b9fcb1c080fa8227a57b010a33d35562599e6db4d4beb3e49a162459",
    "signature": "0x596b91ea00820ed871df51c7076a39d0dfb03b6b9483e2c88cadd7b9fa3168650d1b6ec8e5b15c9059c8ba81046b30ac5b62480653c2d6a1f1f6d16b7e71cd7e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}