{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "978464946",
    "entityType": "User",
    "nonce": "0xb5a3126facb3b403d595d41f6f6fa5abf24bd3e4e5831fd2d1eb4b2267a8470a",
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    "signer": "0x811B619477Ea800Cc8e7fDd08cEA323eC3E06411",
    "userId": "791433195"
  }
}