{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106359",
    "entityType": "User",
    "nonce": "0x740777bf03aa5e2561fd558bf2fa90579930db272db8609ed8bff4a260e3405b",
    "signature": "0xf7f5107211841a1121fbff66c55d228742d04f9e5b267ac86d73f459f33182c700d6dbeb8d2f72992b702088095af4a38a3ca547a641d4f75a78098145ec46f21c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}