{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163417594",
    "entityType": "User",
    "nonce": "0xdd1d3b116bd4061117ce35eff533b3f861f07e47baf3fa98591ab0462d22ea24",
    "signature": "0x6c76d64a5e2888ef39c492231eaf8624d3b73cbe09455c77f2f4104584a876266845a687ddde5d967d2af6f08b688ffc2f7e5f43f57a946609b879ce0b5323ad1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}