{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967612926",
    "entityType": "User",
    "nonce": "0xd5c55b6540022af239eb0dcbe44fdd6b8447c2c9505e294cd533ecb76825db14",
    "signature": "0x424f721d7e05a6c3b4ba31cc3d1cff66bdf687e2ca8861ff1897dcfcf0889d6010a1996a3d0ecefa44e3a7e3c1655240ebde815df92708035f43b95376c79acf1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}