{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832366157",
    "entityType": "User",
    "nonce": "0x9b7c11d987eae179031046167e12bb41d811b7b2b4f77e2a78cf6ecf3f8c7a9b",
    "signature": "0x6e459690b5295afd3d8646e4933ffa4f86fe0bcc12699bda3d0991a954d6e15f7202b0ec0b381aa734727a8625d30fe0a04b213ec0f9334b29bea43422e187dc1b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}