{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1937100",
    "entityType": "User",
    "nonce": "0xf96df37f4bc739d163000e8aa8f37f15b8022d72ca30c5947ce3ae11209d224c",
    "signature": "0x4fb0be4b990a41c8a06145a9e9946b56fd14bcf8eb8023f084a0a58fe1cec10a579a971fcfd37801981593993f38660d9fa440b40eb24c7b83e56f09938ee0461c",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}