{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108470",
    "entityType": "User",
    "nonce": "0xa876019518c06c0ce41514aadb200e41dbf5ab1478fe9cd2f7c9952c803fdf9b",
    "signature": "0x21f47bf4f8ba9e6079778c5e5735a70853976b410adc162bf7e0e541205ef591609da90f1d99e7e4f1fdf082bccc6592d98914fe909972fcb08834e773a3db6e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}