{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77364",
    "entityType": "User",
    "nonce": "0x28056e0c4dd8c7ad266388be4ade6a3daaea17a4cfd8032d51bb675d86505392",
    "signature": "0x33170425a7edaaeedbe38ad6c6ad15a055fbf68cd4e3d0e8698e15a41fa1243f2640accad07336d6f04ff8834d5bb5b084b8e4b57cdc56c3ee93be55a956746f1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}