{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881446128",
    "entityType": "User",
    "nonce": "0x1682eb4a7ef06a71c38cfde4be55b200ffa2d60778efa93f3c2cbf0f94af8274",
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    "signer": "0x811B619477Ea800Cc8e7fDd08cEA323eC3E06411",
    "userId": "791433195"
  }
}