{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "469649633",
    "entityType": "User",
    "nonce": "0x5cd1bb75291a12f1d3e0f47f2dbd3f6e0744faca3e43c79c50ba7927d4a69abb",
    "signature": "0xc611c76174de4ad7e385147800bf48cecb74c55346f52940c6ee0a4350b0a97e7ba95a8fc75bfde643ae43f42d3438fdb780575db602b71f3a06012abe440ec51b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}