{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2530",
    "entityType": "User",
    "nonce": "0x24535370f34aaec29d2a9f7ea2e4102d330e828a9b0dad5ee6471c1da17a9def",
    "signature": "0x9d43596f6ee584c0cd0173b4331fd40877d91fccbe8978a8cf0af03a67583a253c1994ffb9d0197a804ff5c9089f284a5bfdb562285a5e9fb61a04a389b4413c1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}