{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136861",
    "entityType": "User",
    "nonce": "0x694105331cf7efc812dec8eecb27564f94a8bdcda4fd95b28f48cd7c67690d50",
    "signature": "0x2e105d26f61756b458cd336d27ab48bb67281bd55007852568a00ecd3b2de14800379c253fe2ebde041fb2f2fc97f5758e24ddbd889d1e82cfc97325cf7f03d41b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}