{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1719649",
    "entityType": "User",
    "nonce": "0xee6d05ad96a3e51e393352b3af6f494b6cd9c8d977076a12494d4584dc486720",
    "signature": "0x634c95148b3519fc476032eab4573866bb3eb07924ea1d3401e0cb47afe3edaf523655184c67636d5726b2113ca7a3a1bb523914a591048885edc45adaefd9bd1c",
    "signer": "0xbd46Bcac8C3e064551c2246449d84B4a406021f9",
    "userId": "273766994"
  }
}