{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1cf95ebb48f2362d2f7c5d2f3bcd5c7057ffba4523a27283c8731fcb476e0cf6",
    "signature": "0xde5422d1a42b68e089d42edcfe93b087d08e54ba8b8111470c0faa1671156b01478df6a3f453f4bed11e9a522979f8d4fbc677f866f826f3e4b266928515dbd51c",
    "signer": "0x3B0368217d442c4EB20f8A2FD118c0D1222D22be",
    "userId": "775617597"
  }
}