{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "736156",
    "entityType": "User",
    "nonce": "0xaee5e01ac7459ce91161cc788a7a4ebbdca82f5fa76f2472ea2b89e084c5b859",
    "signature": "0x94472d1a7f3997d2587958626edc4e17f2131a39481804185a82a5ebc8cc94461d19d38ab50cdc82c06059fa2c8514b8a4c905f1ceec386e3be5329a0afe38901c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}