{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x1dff5b38539cedb30a700138c4a4558075998761f6b00ac44cdad8b2628ee3dc",
    "signature": "0xe30ce6d6178e983c916c3b5865064227aba3a74158c2e30385baf8c66b79dbe055193ec0ca305b5dc37a888b5f738e5fb84fae49f8b2c2fffe10be268d5e0e0d1b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}