{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62003",
    "entityType": "User",
    "nonce": "0xd68378b0c67245c9772ab2acd5370ddd78ca5314e21888d1298e5bfbcec0efe1",
    "signature": "0xf10c6c6f8103829036800495084dee3f0caf0e52424dead037e81693bf46738117598277113d50fda235f5c3be60448e8ad11b98d866d38228270bd272625c9d1b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}