{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1416956",
    "entityType": "User",
    "nonce": "0xc8e7f223c8ae84e3f4b8e70b8dbe974594b6d39f1d6a043ef3d37656c8cd7e73",
    "signature": "0x23e492b7f929d21ebbe4b1872786c8125feee2da9248f1ada8099ffe196998a4671ec155e359f23125cf8f4da8a06dcabc0194a647519cdf74f0f7507c15f0df1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}