{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124622",
    "entityType": "User",
    "nonce": "0xf58a437c963778ce47088696b5f2e3319bfdf21db1d6de0694d9b8d2918a8291",
    "signature": "0xdd3f2608b8ede400e968dcdbee000674737a35b8029bdc2165e9d9ae2db61c1c4d5b5997d02899fc4b8d09c1da5a4a157436ba677bdf5c8451b0a0142be1ea001b",
    "signer": "0x55468B5b5E23C33f7E9D5569ba2E65189f8206C7",
    "userId": "158468791"
  }
}