{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0xd1641c7e4896a2d29d688ede29bf6d5eb85c8cf87c19817a79e3bcfc323f5460",
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    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}