{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "470167672",
    "entityType": "User",
    "nonce": "0xb2b0ef85ff184a1ca55d9dc6ff4b096deefd0831b8057a84c6b1eb28c526e467",
    "signature": "0x6f7136281c381478296ab66fa5d67690dc4b55adb8e244da2c3d1afb7dd6e2ba3da2c35781274055b8dd7201039ee5924b5c2ca1e1cf5d0cef6a364f7379f2cc1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}