{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "652079715",
    "entityType": "User",
    "nonce": "0x7f84a42b76afb545f13e11c88ad37e8ab615d989ab98aae1a8450ae79a543865",
    "signature": "0x1ec836a4275289aba06cea321aba5ec8b446528e9b89948a3666c108ea91e93c136ec292c7870e6f2c35082ae9272fb07e82c59ad2ffa25f26495c1f771cd3b51c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}