{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13049",
    "entityType": "User",
    "nonce": "0x5735733ac8f2376ce6869582f57cb9fd53b84494ae078826586d394ec6c27e1a",
    "signature": "0xe7dad7baa9d3337d0ba91c2bd661cae6396a9ebb05f08e1f7f9a5bef6c382aa76bafd7bda19395ef3ea00b1133256a98ec89e515c3dc0629194a5919acb54b691c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}