{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1081",
    "entityType": "User",
    "nonce": "0x9727518d0a8a2054af7f13b5502755ffcffa2f6e5ab379bcdc484fa613362080",
    "signature": "0x91503eb14b5036dc4f640051b8aa30a467032862a98a60e7c8129b06e6a8e7be130985f0d762bcaa3d50b0683f6244b3b065acf403a2d12fa308fd6acedd57cb1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}