{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948527922",
    "entityType": "User",
    "nonce": "0xc16c9c45d4e2f8dd7c0c7f5946824376c44b7691571a7bcb1073ca7e23b8493e",
    "signature": "0x6a8ea6b59ba75e70e6b30fea2ed35a8c2918b5fcbc066b1f2b32b50fa4cd74ae263eb5e3e474db6535a1e7aa510de6fe16878197039a52be90b20e4f97576b3c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}