{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "999692142",
    "entityType": "User",
    "nonce": "0xeba9bb55a5f9fd2dab21f8a6823a5194abda2859e6154a312d0d036bf95f818c",
    "signature": "0x943730729299f5bbb66cc8499f5881e191633f31e289f05e1f477070315f55371ecca6947b96b5811041a2582844227a30564417611c9e840d4de3c436c62e511c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}