{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129844",
    "entityType": "User",
    "nonce": "0x0be753847edb6b323ec7ed9b9a780e70b210411ae8fbe62960cebdd07e7e5b69",
    "signature": "0x1993ca15e61c1709be7b645a28b1c5e43a63188670f2bdaa5879e4896fbef7620acd74a5ec11425f5b8cc6077b448b25016507a28f1490c525c17b0f037992461c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}