{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55369",
    "entityType": "User",
    "nonce": "0x55dc1d2c0c2720815bfa12f95f061a84f99ac658754d1271587e1c3ecd447f4e",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}