{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0dd6a7a5ce8e65b1dd600d0dd78453497296c449422ccc4ab0fdcfadaffe39e0",
    "signature": "0x6607f99dbbc6787782c0a60193e295c95b6cea3abcaf87e6cd7e1745c9ef692770797bf39446961882f742a60e9c04789069c6dccf056bd8c93b7cfab22d58141c",
    "signer": "0xD7ee815d46C5aC4774246f8F1B91342c1D31E86A",
    "userId": "898922309"
  }
}