{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169987",
    "entityType": "User",
    "nonce": "0x26ec08287af4b70411f7c275b8f2f0cffb69a74ef5b01fa107e36fd88c9fd747",
    "signature": "0x8e2fdc0715590e377353fa88197c775399bd31fbb361aee0798258f5914a91684eb1cfb823c37ab23d4be06f3ea693245c0f5b624e5dfbef5c79df4de44aff7a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}