{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc14e62d1230d341c5fc0a15ebc853a2e7ec044c790917fe99b9fe188e0c8aafe",
    "signature": "0x81c14c2a381b10c488f5c47a733386cf02df4cadfe0fb5f23ba6d79f51f6f13976cff96a5b49e0441ce0d47df3fbea3b7e715a82c5cf38730d826e78262ab9421c",
    "signer": "0x08271132623576707765E9ab1863F2895189560d",
    "userId": "280028403"
  }
}