{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "160012",
    "entityType": "User",
    "nonce": "0xb8c4df39d0f56b97ff35ff287262831277eb3094ec8a982b74f12a5e0f3c01da",
    "signature": "0xea6b8aaad757077d70b71b0f37fe1807d175c5e5822f3b5704254f0726fdd1f707b841dd42e2d7f9e1d54b8fe9acad15f6a81c267197cad6fb77be9ecfe554ea1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}