{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2567",
    "entityType": "User",
    "nonce": "0xf79e1963cfe134e52dec43530097afa77020545e640049d3a26666303c7f60e3",
    "signature": "0x150d7a0c97639cb5380b00ccdb4023ca2f5867c19646d1cff14bb85681c7ff677080751edd18150e5a25cc472d3c3af80f1b0e1a7f67d792175f2a2216af95101c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}