{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202963",
    "entityType": "User",
    "nonce": "0xdd3d3a45701f6e34937665c7b14f0833874372786af36d022841a729d9b1bc69",
    "signature": "0x412da66f3a64782e7211509c69cadadbb570e0f6de100c52607dc3e915be33af528012b8f60e1bdf85bc8586b40379040e739cb71c30e89838278c2f602f0b451c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}