{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68949",
    "entityType": "User",
    "nonce": "0x9f4f6ff6a5bfb2159c76bce974ac9971d980b9a05491617d944ed444bad842f1",
    "signature": "0xd63625204ad812706c9f2e941aa4611e5eac9cd92325f822fb5fab4b444053355d48493966b88c1e87ad7ac9d5de58f65fe115592d4f1acdc295cb1b1b917c991b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}