{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x8f0cac24aadddaaf3e83866fa93d5f9d59ed22ace63b884f112dd463dbe66aed",
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    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}