{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9fa3b0130a84bc60e0de9bed7c367b48349ea9ab3fd07f818f22d43596838ef2",
    "signature": "0x18f95412c9848e8ddbc8b3f86db7d343e2e290450a1574df7d90833c6f5920ca45b32618683d853872cf1f2b3633b032064d63ed5849e5e9c19753ab016d7bba1c",
    "signer": "0xBDDde19d5BE3a6Df0526390AD52e4ab9301d86Ca",
    "userId": "551647418"
  }
}