{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374065034",
    "entityType": "User",
    "nonce": "0xd67f87de6c97c09a831679459785309ce5bff99db6a61e579eeed3d45c3564a6",
    "signature": "0xed8561651e3e383c1763a397a58f3dabb351e46b82a74180eb104fa1f2963d1d567db269ae9d07b4babd9281bd8bbcb3679460730d5f6a20fdafa294c4cc85ae1b",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}