{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1318",
    "entityType": "User",
    "nonce": "0x2200b0f5caa98407ef34635746d68326fda52d3357441689b8c8954bb1e7639b",
    "signature": "0xc2235525bb09957a0e1c1ae4fa7000c12ab8aeb8737e545f641c59540d37e2360374936526b4012368093f165131fa613eaf0042fe73cc01d0718fdfa926f98e1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}